Saito climate — normals and trends

Q: What is the climate of Saito?

Saito has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 2,071 mm of precipitation per year.

Q: What is the hottest day ever recorded in Saito?

The hottest day measured in Saito between 1940 and 2025 was 13 August 1998, reaching 33.4 °C.

Q: What is the coldest day in Saito?

The coldest day measured in Saito between 1940 and 2025 was 26 February 1981, at -1.7 °C.

Q: Does it snow in Saito?

Almost never: Saito sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Saito warmed?

Yes: Saito warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Saito?

The wettest day measured in Saito between 1940 and 2025 was 5 September 2005, with 197 mm of rain in 24 hours.

Q: What was the windiest day in Saito?

The windiest day measured in Saito between 1940 and 2025 was 30 August 2004, with winds reaching 88.9 km/h.

Q: What is the warmest month in Saito?

The warmest month in Saito is August (27.0 °C on average); the coldest is January (9.0 °C).

Q: How much does it rain in Saito?

Saito receives on average 2,071 mm of precipitation per year, spread over about 146 rainy days.

Q: Is it sunny in Saito?

Saito gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Saito (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 2,071 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (27.0 °C on average) and the coldest is January (9.0 °C). Rainfall peaks in June.

Saito averages 0 frost days, 8 hot days (≥ 30 °C) and 146 rainy days per year.

Saito has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.4 °C (on 13 August 1998) and the coldest -1.7 °C (on 26 February 1981).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

SaitoMiyazaki

coords: 32.08°, 131.40°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

18.0°C

Average daily high

20.0°C

Average daily low

16.2°C

Annual rainfall

2,071mm

Sunshine / day

8.5h

Mean relative humidity

74%

Average peak wind

18.9km/h

Seasonal range

18.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

8 d/yr

Rainy days (≥ 1 mm)

146 d/yr

Annual snowfall

0.3 cm

Average feels-like high

20.5 °C

Average feels-like low

15.6 °C

Average peak gust

33.2 km/h

Tropical nights (≥ 20 °C)

129 d/yr

Solar radiation

14.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.65 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

33.4 °C

13 August 1998

Coldest day

-1.7 °C

26 February 1981

Wettest day

197 mm

5 September 2005

Windiest day

88.9 km/h

30 August 2004

Strongest gust

168.1 km/h

14 October 1951

Hottest feels-like

41.1 °C

31 August 2024

Coldest feels-like

-8.2 °C

26 February 1981

Snowiest day

1.8 cm

19 January 1984

Sunniest day

13.8 h

14 June 2004

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.4 °C6 August 2025	1.3 °C8 February 2025	19.0 °C	1,669 mm	25	0
2024	32.5 °C31 August 2024	3.2 °C24 January 2024	19.7 °C	2,469 mm	39	0
2023	31.4 °C14 August 2023	-0.8 °C25 January 2023	19.1 °C	2,211 mm	5	1
2022	32.0 °C14 July 2022	3.4 °C17 February 2022	18.8 °C	2,220 mm	22	0
2021	31.1 °C9 August 2021	1.3 °C9 January 2021	18.9 °C	2,213 mm	4	0
2020	31.7 °C14 August 2020	2.7 °C31 December 2020	18.9 °C	2,131 mm	15	0
2019	31.1 °C16 August 2019	5.0 °C27 January 2019	19.1 °C	2,094 mm	4	0
2018	30.7 °C24 July 2018	1.9 °C7 February 2018	18.6 °C	2,378 mm	6	0
2017	32.7 °C25 August 2017	3.2 °C15 January 2017	18.5 °C	2,280 mm	24	0
2016	30.9 °C15 August 2016	-0.4 °C24 January 2016	19.3 °C	2,516 mm	9	2
2015	31.4 °C13 August 2015	2.2 °C9 February 2015	18.6 °C	2,776 mm	10	0
2014	31.2 °C26 August 2014	3.9 °C10 January 2014	18.3 °C	2,451 mm	6	0
2013	32.9 °C7 August 2013	3.0 °C8 February 2013	18.7 °C	1,704 mm	31	0
2012	30.1 °C13 August 2012	0.7 °C2 February 2012	18.0 °C	2,653 mm	1	0
2011	31.1 °C17 August 2011	0.0 °C16 January 2011	18.2 °C	2,130 mm	5	0
2010	31.3 °C1 August 2010	3.1 °C31 December 2010	18.7 °C	2,208 mm	13	0
2009	30.8 °C13 August 2009	2.5 °C24 January 2009	18.7 °C	1,817 mm	6	0
2008	32.1 °C3 August 2008	3.2 °C13 February 2008	18.5 °C	2,126 mm	15	0
2007	30.5 °C28 July 2007	3.7 °C3 February 2007	19.0 °C	1,800 mm	13	0
2006	31.6 °C8 August 2006	2.9 °C7 January 2006	18.8 °C	1,889 mm	8	0
2005	31.8 °C26 July 2005	1.1 °C18 December 2005	18.2 °C	1,633 mm	11	0
2004	32.1 °C31 July 2004	0.9 °C22 January 2004	18.9 °C	2,396 mm	14	0
2003	30.9 °C28 August 2003	2.3 °C6 January 2003	18.6 °C	2,531 mm	9	0
2002	31.5 °C2 August 2002	3.7 °C3 January 2002	18.6 °C	1,795 mm	9	0
2001	31.9 °C10 September 2001	1.1 °C15 January 2001	18.6 °C	2,223 mm	12	0
2000	32.7 °C22 July 2000	2.6 °C8 February 2000	18.6 °C	2,091 mm	6	0
1999	31.5 °C28 August 1999	2.6 °C4 February 1999	18.6 °C	2,477 mm	5	0
1998	33.4 °C13 August 1998	0.1 °C25 January 1998	19.5 °C	2,361 mm	33	0
1997	30.5 °C28 July 1997	2.7 °C22 January 1997	18.4 °C	1,837 mm	5	0
1996	31.4 °C15 August 1996	1.7 °C2 February 1996	17.9 °C	1,733 mm	4	0
1995	31.8 °C11 August 1995	2.8 °C31 January 1995	17.9 °C	1,588 mm	21	0
1994	31.1 °C11 September 1994	2.4 °C24 January 1994	18.6 °C	1,673 mm	10	0
1993	30.6 °C13 July 1993	2.7 °C28 January 1993	17.8 °C	2,932 mm	3	0
1992	30.4 °C30 July 1992	4.1 °C21 February 1992	18.2 °C	2,312 mm	4	0
1991	31.8 °C24 July 1991	1.5 °C23 February 1991	18.5 °C	2,190 mm	18	0
1990	30.9 °C19 July 1990	1.4 °C24 January 1990	18.7 °C	2,498 mm	8	0
1989	30.1 °C27 August 1989	2.8 °C28 January 1989	18.3 °C	2,395 mm	1	0
1988	30.8 °C14 July 1988	2.2 °C4 February 1988	18.0 °C	1,752 mm	9	0
1987	31.1 °C30 July 1987	2.2 °C28 February 1987	18.2 °C	2,126 mm	7	0
1986	31.5 °C22 July 1986	1.3 °C5 January 1986	17.6 °C	1,442 mm	6	0
1985	31.1 °C14 July 1985	0.6 °C15 January 1985	17.9 °C	2,067 mm	6	0
1984	30.5 °C9 August 1984	-0.3 °C7 February 1984	17.5 °C	1,898 mm	4	1
1983	32.5 °C1 August 1983	1.5 °C21 February 1983	18.0 °C	2,252 mm	15	0
1982	29.9 °C16 August 1982	1.0 °C29 January 1982	17.9 °C	2,234 mm	0	0
1981	30.9 °C22 August 1981	-1.7 °C26 February 1981	17.6 °C	1,785 mm	4	2
1980	30.2 °C23 July 1980	0.8 °C6 February 1980	17.6 °C	2,039 mm	3	0
1979	30.7 °C18 August 1979	2.4 °C2 February 1979	18.0 °C	2,433 mm	1	0
1978	30.8 °C4 July 1978	1.9 °C16 February 1978	17.9 °C	1,922 mm	3	0
1977	31.9 °C8 August 1977	-1.4 °C16 February 1977	18.0 °C	1,970 mm	10	2
1976	31.8 °C14 August 1976	0.9 °C24 January 1976	17.5 °C	2,246 mm	6	0
1975	31.0 °C23 August 1975	2.6 °C21 February 1975	17.9 °C	2,268 mm	1	0
1974	30.3 °C7 August 1974	1.3 °C26 February 1974	17.6 °C	1,951 mm	4	0
1973	30.9 °C21 July 1973	1.7 °C24 December 1973	17.9 °C	2,105 mm	5	0
1972	30.3 °C1 September 1972	3.7 °C1 March 1972	18.0 °C	2,516 mm	3	0
1971	32.5 °C16 August 1971	1.7 °C5 January 1971	17.8 °C	2,225 mm	15	0
1970	30.7 °C21 July 1970	1.6 °C5 January 1970	17.5 °C	2,738 mm	8	0
1969	32.3 °C13 August 1969	1.5 °C16 January 1969	17.7 °C	1,977 mm	10	0
1968	30.4 °C31 July 1968	1.6 °C25 February 1968	17.4 °C	2,117 mm	2	0
1967	31.8 °C29 August 1967	-0.4 °C16 January 1967	17.9 °C	1,590 mm	16	1
1966	31.6 °C1 August 1966	1.7 °C20 January 1966	17.8 °C	2,438 mm	4	0
1965	31.8 °C22 August 1965	1.4 °C3 February 1965	17.2 °C	1,761 mm	3	0
1964	31.4 °C2 September 1964	2.7 °C13 February 1964	18.2 °C	2,516 mm	12	0
1963	31.3 °C24 July 1963	-0.4 °C16 January 1963	17.6 °C	1,664 mm	8	1
1962	32.8 °C27 July 1962	3.1 °C28 January 1962	17.6 °C	2,013 mm	4	0
1961	31.4 °C9 August 1961	1.5 °C12 January 1961	18.2 °C	2,504 mm	9	0
1960	31.2 °C10 July 1960	1.1 °C25 January 1960	18.0 °C	1,944 mm	6	0
1959	30.7 °C2 September 1959	0.2 °C17 January 1959	18.3 °C	2,557 mm	10	0
1958	31.5 °C31 July 1958	2.2 °C3 March 1958	18.1 °C	1,734 mm	11	0
1957	31.8 °C20 July 1957	1.4 °C12 February 1957	17.6 °C	2,361 mm	8	0
1956	32.3 °C23 July 1956	2.2 °C9 January 1956	17.5 °C	1,941 mm	9	0
1955	30.7 °C20 August 1955	1.1 °C11 January 1955	18.0 °C	1,928 mm	2	0
1954	30.6 °C19 August 1954	2.7 °C26 January 1954	18.2 °C	2,418 mm	2	0
1953	32.3 °C26 August 1953	2.6 °C2 February 1953	17.8 °C	2,163 mm	8	0
1952	31.6 °C1 August 1952	1.4 °C5 February 1952	17.9 °C	1,815 mm	4	0
1951	30.0 °C8 August 1951	2.6 °C13 January 1951	17.8 °C	2,030 mm	1	0
1950	30.4 °C21 August 1950	2.5 °C7 January 1950	17.6 °C	2,049 mm	3	0
1949	30.3 °C19 August 1949	2.8 °C16 January 1949	17.5 °C	2,278 mm	1	0
1948	29.9 °C3 September 1948	2.6 °C27 January 1948	17.9 °C	1,668 mm	0	0
1947	30.5 °C7 August 1947	0.7 °C16 February 1947	16.8 °C	1,068 mm	4	0
1946	30.2 °C4 September 1946	2.2 °C10 January 1946	17.8 °C	1,589 mm	2	0
1945	30.2 °C22 July 1945	1.5 °C19 January 1945	17.2 °C	2,137 mm	1	0
1944	29.2 °C7 September 1944	2.7 °C16 February 1944	17.4 °C	1,627 mm	0	0
1943	29.1 °C16 August 1943	1.3 °C12 January 1943	17.1 °C	1,446 mm	0	0
1942	29.5 °C29 July 1942	-0.1 °C13 February 1942	17.3 °C	1,189 mm	0	1
1941	29.3 °C15 August 1941	-0.3 °C1 February 1941	17.4 °C	2,024 mm	0	1
1940	29.1 °C24 July 1940	1.1 °C26 January 1940	16.9 °C	1,229 mm	0	0

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

21.1 °C

+1.1 °C

Hot days (≥ 30 °C)

25 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1669 mm

-402 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.7 °C	+0.2 °C	31 mm	-33 mm
Feb	11.2 °C	-1.0 °C	65 mm	-31 mm
Mar	15.9 °C	+1.1 °C	102 mm	-42 mm
Apr	18.7 °C	+0.3 °C	133 mm	-47 mm
May	21.9 °C	+0.3 °C	285 mm	+63 mm
Jun	26.3 °C	+2.1 °C	199 mm	-147 mm
Jul	28.6 °C	+0.8 °C	247 mm	+39 mm
Aug	29.8 °C	+1.4 °C	125 mm	-108 mm
Sep	28.9 °C	+2.4 °C	213 mm	-39 mm
Oct	25.0 °C	+2.5 °C	165 mm	+5 mm
Nov	19.2 °C	+0.9 °C	45 mm	-56 mm
Dec	15.2 °C	+1.6 °C	59 mm	-7 mm

The year's extremes

Hottest day

32.4 °C

6 Aug 2025

Coldest day

1.3 °C

8 Feb 2025

Wettest day

64.6 mm

4 Sep 2025

Windiest day

35.8 km/h

15 Mar 2025

Strongest gust

68.8 km/h

14 Apr 2025

Hottest feels-like

39.4 °C

6 Jul 2025

Coldest feels-like

-4.9 °C

8 Feb 2025

Sunniest day

13.8 h

5 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Saito?

Saito has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 2,071 mm of precipitation per year.

What is the hottest day ever recorded in Saito?

The hottest day measured in Saito between 1940 and 2025 was 13 August 1998, reaching 33.4 °C.

What is the coldest day in Saito?

The coldest day measured in Saito between 1940 and 2025 was 26 February 1981, at -1.7 °C.

Does it snow in Saito?

Almost never: Saito sees virtually no snow, with about 0 frost days per year.

Has the climate of Saito warmed?

Yes: Saito warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Saito?

The wettest day measured in Saito between 1940 and 2025 was 5 September 2005, with 197 mm of rain in 24 hours.

What was the windiest day in Saito?

The windiest day measured in Saito between 1940 and 2025 was 30 August 2004, with winds reaching 88.9 km/h.

What is the warmest month in Saito?

The warmest month in Saito is August (27.0 °C on average); the coldest is January (9.0 °C).

How much does it rain in Saito?

Saito receives on average 2,071 mm of precipitation per year, spread over about 146 rainy days.

Is it sunny in Saito?

Saito gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

What is the biggest single-day snowfall in Saito?

The heaviest 24-hour snowfall measured in Saito between 1940 and 2025 was 19 January 1984, with 1.8 cm.

Are there tropical nights in Saito?

Yes: Saito has on average 129 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Saito?

In Saito, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 31 August 2024, and the lowest was -8.2 °C on 26 February 1981.

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